207662980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{677}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 509663448

約数和(自身を除く): 302000468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 313, 490, 626, 677, 980, 1252, 1354, 1565, 2191, 2708, 3130, 3385, 4382, 4739, 6260, 6770, 8764, 9478, 10955, 13540, 15337, 18956, 21910, 23695, 30674, 33173, 43820, 47390, 61348, 66346, 76685, 94780, 132692, 153370, 165865, 211901, 306740, 331730, 423802, 663460, 847604, 1059505, 1483307, 2119010, 2966614, 4238020, 5933228, 7416535, 10383149, 14833070, 20766298, 29666140, 41532596, 51915745, 103831490, 207662980]

約数ペア:

[(1, 207662980), (2, 103831490), (4, 51915745), (5, 41532596), (7, 29666140), (10, 20766298), (14, 14833070), (20, 10383149), (28, 7416535), (35, 5933228), (49, 4238020), (70, 2966614), (98, 2119010), (140, 1483307), (196, 1059505), (245, 847604), (313, 663460), (490, 423802), (626, 331730), (677, 306740), (980, 211901), (1252, 165865), (1354, 153370), (1565, 132692), (2191, 94780), (2708, 76685), (3130, 66346), (3385, 61348), (4382, 47390), (4739, 43820), (6260, 33173), (6770, 30674), (8764, 23695), (9478, 21910), (10955, 18956), (13540, 15337)]